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Procedure
PurposeCommand or Action
Enters configuration mode.switch# configure terminal
Step 1
Selects the EtherChannel that you want to use as the
vPC peer link for this switch, and enters the interface
configuration mode.
switch(config)# interface
port-channel channel-number
Step 2
Configures the selected EtherChannel as the vPC peer
link, and enters the vpc-domain configuration mode.
switch(config-if)# vpc peer-link
Step 3
(Optional)
Displays information about each vPC, including
information about the vPC peer link.
switch# show vpc brief
Step 4
(Optional)
Copies the running configuration to the startup
configuration.
switch# copy running-config
startup-config
Step 5
This example shows how to configure a vPC peer link:
switch# configure terminal
switch(config)# interface port-channel 20
switch(config-if)# vpc peer-link
Checking the Configuration Compatibility
After you have configured the vPC peer link on both vPC peer switches, check that the configurations are
consistent on all vPC interfaces.
Beginning with Cisco NX-OS Release 5.0(2)N1(1), the following QoS parameters support Type 2
consistency checks:
Note
• Network QoS—MTU and Pause
• Input Queuing —Bandwidth and Absolute Priority
• Output Queuing—Bandwidth and Absolute Priority
In the case of a Type 2 mismatch, the vPC is not suspended. Type 1 mismatches suspend the vPC.
Default SettingParameter
Displays the status of those parameters that must be
consistent across all vPC interfaces.
switch# show vpc consistency-parameters {global
| interface port-channel channel-number}
Cisco Nexus 5000 Series NX-OS Interfaces Configuration Guide, Release 5.2(1)N1(1)
78-26881-OL 85
Configuring Virtual Port Channels
Creating a vPC Peer Link